Sub-Zero NANOCHILL NC-120A User Manual Download

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CHILLER SET TEMP.

Sr.No.

Range

Function : To set Chiller Set point.

Lcd  will  change  to  set  mode  and  flash.
Then press set key once & release .Set
point  will  flash.  Set  point  can  now  be
changed  by  using  UP/DOWN  key.  After
achieving  the  desired  range,  press  the
SET key .

= Low temp Limit.

= High temp.Limit

Parameter (LCD Message)

Description of parameters and functions.

Parameter setting method.

Min

Max

Fact. Set

Release.

Press and hold "SET"
key for 2 seconds and

Lt +0.1ºC Ht -0.1ºC

10.0ºC

To set other parameters.

Hold key for 2 seconds
and release.

LCD will show Program Mode. And the
set Temperature To go to other
parameters, use up/ down keys.

Range

Min

Max

Fact. Set

Lt +0.1ºC Ht -0.1ºC

10.0ºC

CHILLER SET TEMP.

Function : To set Chiller Set point.

press the set key.

To change Set Temp parameter, First set key once & release Parameter

value will flash. Now Use UP/DOWN
keys to set desired value.

COMP. TIME DELAY

Function : To set compressor restart
delay.

Contd.

Parameter List

Min : MINIMUM Max : MAXIMUM
Fact. Set : FACTORY SETTING(DEFAULT)

Use UP/DOWN keys to set desired
value.

parameter,press the set key.

To change Comp Time Delay

NC-120A

SET MODE

PROGRAM MODE

INDEX

Once the SET key is pressed the
control goes into the normal mode and
displays the temperature.

SET - EXIT
UP/DOWN - SCROLL

To set customer name to be displayed
at controller power ON.

ENTER YOUR NAME

To set customer service number.

ENTER YOUR NO.

To enable / disable controller function in
precision mode.

To enable auto start of controller at
power ON.

To lock Keypad.

To clear last fault history.

Revert to Factory set parameters.

PRECISION MODE

AUTOSTART

KEYPAD LOCK

CLEAR FAULT LOG

FACTORY DEFAULTS

To display total compressor working
Hours.

To display total pump working Hours.

To clear comp run hrs.

COMP RUN HRS

PUMP RUN HRS

CLR COMP RUN HRS

To clear pump run hrs.

CLR PUMP RUN HRS

NC-120A

This parameter will set pump working
incase of Auxilliary fault.

AUX I/P SETTING

DESCRIPTION

PARAMETER

Pg.
No.

Key Functions

Technical Data

Suggested Wiring Diagram

Panel Cutout & Dimensions

Summary of Contents for NANOCHILL NC-120A

Page 1: ...User Manual NANOCHILL NC 120A www pvrcontrols com RST 2 SET NANOCHILL ...

Page 2: ...rameters u Auto Manual reset for HP LP and AFT The Subzero NANO CHILL NC 120 are controllers that integrates all the basic control functions required by a chiller A user friendly Lcd screen displays all parameters status and alarm messages u Range 30 0ºC to 50 0ºC u HP LP Compressor O L SPP Pump O L Auxiliary Fault Introduction Features Items included 01 NC 120A NC 120A 02 NO 1 2 3 4 5 QTY 1No 1No...

Page 3: ...point To set Antifreeze differential To set Main Liquid probe calibration To set Antifreeze probe calibration To set Condenser probe calibration CHILLER SET TEMP To set other parameters CHILLER SET TEMP COMP TIME DELAY HIGH TEMP ALARM LOW TEMP ALARM AFT PROBE STATUS AFT SET TEMP AFT DIFFERENTIAL LIQ PROBE CAL AFT PROBE CAL COND PROBE CAL PROGRAM MODE SET MODE HT POWER ON DLY DESCRIPTION PARAMETER ...

Page 4: ...tart delay Contd Parameter List Min MINIMUM Max MAXIMUM Fact Set FACTORY SETTING DEFAULT Use UP DOWN keys to set desired value parameter press the set key To change Comp Time Delay NC 120A SET MODE PROGRAM MODE INDEX 05 Once the SET key is pressed the control goes into the normal mode and displays the temperature SET EXIT UP DOWN SCROLL 19 To set customer name to be displayed at controller power O...

Page 5: ...er is set to 0 50 0 C then once chiller temperature 0 goes above 50 0 C then controller will show Ht and alarm will be ON Range Min Max Fact Set Range Min Max Fact Set Range Min Max Fact Set AFT SET TEMP Use UP DOWN keys to set desired value EXAMPLE If this parameter is set to 5 0ºC controller will trip the compressor on Antifreeze fault if the AFT sensor goes below 5 0ºC To change AFT SET TEMP pa...

Page 6: ... only when the AFT Temperature goes above 7 0ºC 5 0ºC 2 0ºC 1 0ºC 10 0ºC 2 0ºC Range Min Max Fact Set Range Min Max Fact Set Range Min Max Fact Set Sr No Parameter LCD Message Description of parameters and functions Parameter setting method Use UP DOWN keys to set desired value EXAMPLE Same as Main Probe Cal To change Cond Probe Cal parameter press the set key Range Min Max Fact Set 10Amp 10Amp 0A...

Page 7: ...Set voltage level 230Vac 0Vac Controller will sense faults at 0 230Vac Controller will sense faults at 20 Range Min Max Disable Enable Disable FAULT IN STAND BY Function This decides whether controller should display faults in stand by mode or not To change Fault in Stand By parameter press the set key mode Note Eventhough the fault sensing is disabled in satnd by controller will display High temp...

Page 8: ...e Description of parameters and functions Parameter setting method And if this delay is set to 10seconds then condenser will switch on 10 seconds before compressor Use UP DOWN keys to set desired value If condenser is running with compressor COND RUN LOGIC always on With Comp Condensor will switch on off with compressor Always On Condensor will remain Use UP DOWN keys to set desired value 26 Funct...

Page 9: ...tions Parameter setting method 35 EWFS NORMAL DLY Function It sets normal delay for EWFS fault sensing This avoids false tripping due to water splashing 34 Range Min Max 0Sec 120Sec 10Sec EWFS STARTUP DLY Function It sets power on delay for EWFS fault sensing To change EWFS Startup Dly parameter press the set key Use UP DOWN keys to set desired value Fact Set 33 CONFIG AUX I P Function This config...

Page 10: ...ocked to set parameter press the set key To change Keypad Lock To change Clear Fault Log parameter press the set key 39 40 Function To lock keypad Function To clear last fault history Range Min Max Fact Set Range Min Max Fact Set Use UP DOWN keys to set desired value Store Store fault history Example If this parameter is set to Clear then it will clear all previous faults saved in the memory Store...

Page 11: ...sired value Customer can set service telephone number which will display at power ON 47 Function To set customer service number parameter press the set key To change Enter Your No SET EXIT UP DOWN SCROLL Once the SET key is pressed the control goes into the normal mode and displays the temperature 48 Function To end programming To end Program mode press set key 2 RST Press for 4 seconds to reset H...

Page 12: ...Relay 5A 250Vac Current Input 0 to 20Amp 0 Resolution 0 1 C 0 0 Probe Tolerance 0 3 C AT 25 C 0 0 Storage Temp 20 C to 70 C non condensing 0 Accuracy 1 C Resolution 0 1Amp 0 0 Range 30 0 C to 50 0 C Technical Data 22 NC 120A NC 120A Suggested Wiring Diagram PHASE NEUTRAL 1 2 1 4 8 2 5 9 3 6 10 7 11 14 12 15 13 16 17 24 25 19 23 26 20 27 21 22 LIQUID AFT COND NEUTRAL COMP O L HP LP SPPR PUMP O L AU...

Page 13: ...troller with a soft moist cloth Do not use abrasive detergents petrol alcohol or solvents Fixing and dimensions of panel models To fix the unit slide the side lock 1 through the guides 2 as per the position shown in the figure Move the side lock in the direction of the arrow it permits to move the fastener in the opposite direction of the arrow 3 Fit the screw in the side lock in direction of the ...

Page 14: ...her than by the company This warranty is in lieu of any other warranty expressed or implied In no event shall the company be held liable for incidental or consequential damages such as lost revenue or lost business opportunity arising from the purchase of this product INDIA Ball Valves Globe Valves Hand Valves Flow Switches Solenoid Valves OUR OTHER PRODUCTS Cold Room Controller Chiller Controller...

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